quiz09 - dh dt = 2. Given that db dt = 2 tb , and that b =...

Name: Quiz 9 1 November 2005 Write the best answer to each question in the box provided. Show your work. 1. The height h of a pile of sand increases at a rate that is proportional to the cube of its height. Set up (but do not solve) a diﬀerential equation modeling this situation.

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